Add wordpress-mysql sample

Signed-off-by: Anca Iordache <anca.iordache@docker.com>

wordpress-mysql/docker-compose.yaml

@@ -0,0 +1,29 @@
+version: '3.7'
+services:
+  db:
+    image: mysql:8.0.19
+    command: '--default-authentication-plugin=mysql_native_password'
+    restart: always
+    volumes:
+      - db_data:/var/lib/mysql
+    restart: always
+    environment:
+      - MYSQL_ROOT_PASSWORD=somewordpress
+      - MYSQL_DATABASE=wordpress
+      - MYSQL_USER=wordpress
+      - MYSQL_PASSWORD=wordpress
+  wordpress:
+    image: wordpress:latest
+    ports:
+      - 80:80
+    restart: always
+    environment:
+      - WORDPRESS_DB_HOST=db
+      - WORDPRESS_DB_USER=wordpress
+      - WORDPRESS_DB_PASSWORD=wordpress
+      - WORDPRESS_DB_NAME=wordpress
+volumes:
+  db_data:
+
+  
+